update: fixed issues and update flake inputs

system/modules/shells/noctalia/sessionMenu.nix

@@ -0,0 +1,38 @@
+{
+  countdownDuration = 10000;
+  enableCountdown = true;
+  position = "bottom_center";
+  powerOptions = [
+    {
+      action = "lock";
+      countdownEnabled = true;
+      enabled = true;
+    }
+    {
+      action = "suspend";
+      countdownEnabled = true;
+      enabled = true;
+    }
+    {
+      action = "hibernate";
+      countdownEnabled = true;
+      enabled = true;
+    }
+    {
+      action = "reboot";
+      countdownEnabled = true;
+      enabled = true;
+    }
+    {
+      action = "logout";
+      countdownEnabled = true;
+      enabled = true;
+    }
+    {
+      action = "shutdown";
+      countdownEnabled = true;
+      enabled = true;
+    }
+  ];
+  showHeader = false;
+}